Examples with OutputInstruction org.onosproject.net.flow.instructions.Instructions.OutputInstruction used on opensource projects

Example 26 with OutputInstruction

use of org.onosproject.net.flow.instructions.Instructions.OutputInstruction in project onos by opennetworkinglab.

the class OfdpaPipelineTraceable method getGroupsFromInstructions.

// Gets group information from instructions.
private void getGroupsFromInstructions(Map<GroupId, Group> groups, List<Instruction> instructions, TrafficSelector.Builder egressPacket, List<PortNumber> outputPorts, PipelineTraceableHitChain currentHitChain, PipelineTraceableOutput.Builder outputBuilder, PipelineTraceableInput input, boolean dropped) {
    List<Instruction> groupInstructionlist = new ArrayList<>();
    // sort instructions according to priority (larger Instruction.Type ENUM constant first)
    // which enables to treat other actions before the OUTPUT action
    // TODO improve the priority scheme according to the OpenFlow ActionSet spec
    List<Instruction> instructionsSorted = new ArrayList<>();
    instructionsSorted.addAll(instructions);
    instructionsSorted.sort((instr1, instr2) -> Integer.compare(instr2.type().ordinal(), instr1.type().ordinal()));
    // Handles first all non-group instructions
    for (Instruction instruction : instructionsSorted) {
        log.debug("Considering Instruction {}", instruction);
        // to the possible outputs for this packet
        if (!instruction.type().equals(Instruction.Type.GROUP)) {
            // or add the output to the possible outputs for this packet
            if (instruction.type().equals(Instruction.Type.OUTPUT)) {
                buildOutputFromDevice(egressPacket, outputPorts, (OutputInstruction) instruction, currentHitChain, outputBuilder, input.ingressPacket().packet(), dropped);
            } else {
                egressPacket = translateInstruction(egressPacket, instruction);
            }
        } else {
            // Store for later if the instruction is pointing to a group
            groupInstructionlist.add(instruction);
        }
    }
    // handle all the internal instructions pointing to a group.
    for (Instruction instr : groupInstructionlist) {
        Instructions.GroupInstruction groupInstruction = (Instructions.GroupInstruction) instr;
        Group group = groups.get(groupInstruction.groupId());
        // group does not exist in the dataplane
        if (group == null) {
            currentHitChain.setEgressPacket(new PipelineTraceablePacket(egressPacket.build()));
            currentHitChain.dropped();
            outputBuilder.appendToLog("Null group for Instruction " + instr).noGroups().addHitChain(currentHitChain);
            break;
        }
        log.debug("Analyzing group {}", group.id());
        // group is there but there are no members/buckets
        if (group.buckets().buckets().size() == 0) {
            // add the group to the traversed groups
            currentHitChain.addDataPlaneEntity(new DataPlaneEntity(group));
            currentHitChain.setEgressPacket(new PipelineTraceablePacket(egressPacket.build()));
            currentHitChain.dropped();
            outputBuilder.appendToLog("Group " + group.id() + " has no buckets").noMembers().addHitChain(currentHitChain);
            break;
        }
        PipelineTraceableHitChain newHitChain;
        TrafficSelector.Builder newEgressPacket;
        // Cycle in each of the group's buckets and add them to the groups for this Device.
        for (GroupBucket bucket : group.buckets().buckets()) {
            // add the group to the traversed groups
            currentHitChain.addDataPlaneEntity(new DataPlaneEntity(group));
            // Go to the next step - using a copy of the egress packet and of the hit chain
            newHitChain = PipelineTraceableHitChain.emptyHitChain();
            currentHitChain.hitChain().forEach(newHitChain::addDataPlaneEntity);
            newEgressPacket = DefaultTrafficSelector.builder(egressPacket.build());
            getGroupsFromInstructions(groups, bucket.treatment().allInstructions(), newEgressPacket, outputPorts, newHitChain, outputBuilder, input, dropped | isDropped(group.id(), bucket, input.ingressPort()));
        }
    }
}

Example 27 with OutputInstruction

use of org.onosproject.net.flow.instructions.Instructions.OutputInstruction in project onos by opennetworkinglab.

the class Ofdpa2Pipeline method getNextMappings.

@Override
public List<String> getNextMappings(NextGroup nextGroup) {
    List<String> mappings = new ArrayList<>();
    List<Deque<GroupKey>> gkeys = appKryo.deserialize(nextGroup.data());
    for (Deque<GroupKey> gkd : gkeys) {
        Group lastGroup = null;
        StringBuilder gchain = new StringBuilder();
        for (GroupKey gk : gkd) {
            Group g = groupService.getGroup(deviceId, gk);
            if (g == null) {
                gchain.append("  NoGrp").append(" -->");
                continue;
            }
            gchain.append("  0x").append(Integer.toHexString(g.id().id())).append(" -->");
            lastGroup = g;
        }
        // add port information for last group in group-chain
        List<Instruction> lastGroupIns = new ArrayList<>();
        if (lastGroup != null && !lastGroup.buckets().buckets().isEmpty()) {
            lastGroupIns = lastGroup.buckets().buckets().get(0).treatment().allInstructions();
        }
        for (Instruction i : lastGroupIns) {
            if (i instanceof OutputInstruction) {
                gchain.append(" port:").append(((OutputInstruction) i).port());
            }
        }
        mappings.add(gchain.toString());
    }
    return mappings;
}

Example 28 with OutputInstruction

use of org.onosproject.net.flow.instructions.Instructions.OutputInstruction in project onos by opennetworkinglab.

the class Ofdpa2Pipeline method processEgress.

/**
 * In the OF-DPA 2.0 pipeline, egress forwarding objectives go to the
 * egress tables.
 * @param fwd  the forwarding objective of type 'egress'
 * @return     a collection of flow rules to be sent to the switch. An empty
 *             collection may be returned if there is a problem in processing
 *             the flow rule
 */
protected Collection<FlowRule> processEgress(ForwardingObjective fwd) {
    log.debug("Processing egress forwarding objective:{} in dev:{}", fwd, deviceId);
    List<FlowRule> rules = new ArrayList<>();
    // Build selector
    TrafficSelector.Builder sb = DefaultTrafficSelector.builder();
    VlanIdCriterion vlanIdCriterion = (VlanIdCriterion) fwd.selector().getCriterion(Criterion.Type.VLAN_VID);
    if (vlanIdCriterion == null) {
        log.error("Egress forwarding objective:{} must include vlanId", fwd.id());
        fail(fwd, ObjectiveError.BADPARAMS);
        return rules;
    }
    Optional<Instruction> outInstr = fwd.treatment().allInstructions().stream().filter(instruction -> instruction instanceof OutputInstruction).findFirst();
    if (!outInstr.isPresent()) {
        log.error("Egress forwarding objective:{} must include output port", fwd.id());
        fail(fwd, ObjectiveError.BADPARAMS);
        return rules;
    }
    PortNumber portNumber = ((OutputInstruction) outInstr.get()).port();
    sb.matchVlanId(vlanIdCriterion.vlanId());
    OfdpaMatchActsetOutput actsetOutput = new OfdpaMatchActsetOutput(portNumber);
    sb.extension(actsetOutput, deviceId);
    sb.extension(new OfdpaMatchAllowVlanTranslation(ALLOW_VLAN_TRANSLATION), deviceId);
    // Build a flow rule for Egress VLAN Flow table
    TrafficTreatment.Builder tb = DefaultTrafficTreatment.builder();
    tb.transition(EGRESS_DSCP_PCP_REMARK_FLOW_TABLE);
    if (fwd.treatment() != null) {
        for (Instruction instr : fwd.treatment().allInstructions()) {
            if (instr instanceof L2ModificationInstruction && ((L2ModificationInstruction) instr).subtype() == L2SubType.VLAN_ID) {
                tb.immediate().add(instr);
            }
            if (instr instanceof L2ModificationInstruction && ((L2ModificationInstruction) instr).subtype() == L2SubType.VLAN_PUSH) {
                tb.immediate().pushVlan();
                EthType ethType = ((L2ModificationInstruction.ModVlanHeaderInstruction) instr).ethernetType();
                if (ethType.equals(EtherType.QINQ.ethType())) {
                    // Build a flow rule for Egress TPID Flow table
                    TrafficSelector tpidSelector = DefaultTrafficSelector.builder().extension(actsetOutput, deviceId).matchVlanId(VlanId.ANY).build();
                    TrafficTreatment tpidTreatment = DefaultTrafficTreatment.builder().extension(new Ofdpa3CopyField(COPY_FIELD_NBITS, COPY_FIELD_OFFSET, COPY_FIELD_OFFSET, OXM_ID_VLAN_VID, OXM_ID_PACKET_REG_1), deviceId).popVlan().pushVlan(EtherType.QINQ.ethType()).extension(new Ofdpa3CopyField(COPY_FIELD_NBITS, COPY_FIELD_OFFSET, COPY_FIELD_OFFSET, OXM_ID_PACKET_REG_1, OXM_ID_VLAN_VID), deviceId).build();
                    FlowRule.Builder tpidRuleBuilder = DefaultFlowRule.builder().fromApp(fwd.appId()).withPriority(fwd.priority()).forDevice(deviceId).withSelector(tpidSelector).withTreatment(tpidTreatment).makePermanent().forTable(EGRESS_TPID_FLOW_TABLE);
                    rules.add(tpidRuleBuilder.build());
                }
            }
        }
    }
    FlowRule.Builder ruleBuilder = DefaultFlowRule.builder().fromApp(fwd.appId()).withPriority(fwd.priority()).forDevice(deviceId).withSelector(sb.build()).withTreatment(tb.build()).makePermanent().forTable(EGRESS_VLAN_FLOW_TABLE);
    rules.add(ruleBuilder.build());
    return rules;
}

Example 29 with OutputInstruction

use of org.onosproject.net.flow.instructions.Instructions.OutputInstruction in project onos by opennetworkinglab.

the class Ofdpa3Pipeline method processVersatile.

@Override
protected Collection<FlowRule> processVersatile(ForwardingObjective fwd) {
    // We use the tunnel id to identify pw related flows.
    // Looking for the fwd objective of the initiation.
    TunnelIdCriterion tunnelIdCriterion = (TunnelIdCriterion) fwd.selector().getCriterion(TUNNEL_ID);
    if (tunnelIdCriterion != null) {
        return processInitPwVersatile(fwd);
    }
    // Looking for the fwd objective of the termination.
    ModTunnelIdInstruction modTunnelIdInstruction = getModTunnelIdInstruction(fwd.treatment());
    OutputInstruction outputInstruction = getOutputInstruction(fwd.treatment());
    if (modTunnelIdInstruction != null && outputInstruction != null) {
        return processTermPwVersatile(fwd, modTunnelIdInstruction, outputInstruction);
    }
    // to the OFDPA 2.0 pipeline.
    return super.processVersatile(fwd);
}

Example 30 with OutputInstruction

use of org.onosproject.net.flow.instructions.Instructions.OutputInstruction in project onos by opennetworkinglab.

the class InstructionJsonMatcher method matchesSafely.

@Override
public boolean matchesSafely(JsonNode jsonInstruction, Description description) {
    // check type
    final JsonNode jsonTypeNode = jsonInstruction.get("type");
    final String jsonType = jsonTypeNode.textValue();
    final String type = instruction.type().name();
    if (!jsonType.equals(type)) {
        description.appendText("type was " + type);
        return false;
    }
    if (instruction instanceof ModMplsHeaderInstruction) {
        return matchModMplsHeaderInstruction(jsonInstruction, description);
    } else if (instruction instanceof OutputInstruction) {
        return matchOutputInstruction(jsonInstruction, description);
    } else if (instruction instanceof GroupInstruction) {
        return matchGroupInstruction(jsonInstruction, description);
    } else if (instruction instanceof MeterInstruction) {
        return matchMeterInstruction(jsonInstruction, description);
    } else if (instruction instanceof SetQueueInstruction) {
        return matchSetQueueInstruction(jsonInstruction, description);
    } else if (instruction instanceof ModOchSignalInstruction) {
        return matchModOchSingalInstruction(jsonInstruction, description);
    } else if (instruction instanceof ModEtherInstruction) {
        return matchModEtherInstruction(jsonInstruction, description);
    } else if (instruction instanceof ModVlanIdInstruction) {
        return matchModVlanIdInstruction(jsonInstruction, description);
    } else if (instruction instanceof ModVlanPcpInstruction) {
        return matchModVlanPcpInstruction(jsonInstruction, description);
    } else if (instruction instanceof ModIPInstruction) {
        return matchModIpInstruction(jsonInstruction, description);
    } else if (instruction instanceof ModIPv6FlowLabelInstruction) {
        return matchModIPv6FlowLabelInstruction(jsonInstruction, description);
    } else if (instruction instanceof ModMplsLabelInstruction) {
        return matchModMplsLabelInstruction(jsonInstruction, description);
    } else if (instruction instanceof ModOduSignalIdInstruction) {
        return matchModOduSingalIdInstruction(jsonInstruction, description);
    } else if (instruction instanceof PiInstruction) {
        return matchPiInstruction(jsonInstruction, description);
    } else if (instruction instanceof NoActionInstruction) {
        return true;
    }
    return false;
}